| Value | Category | Cases | |
|---|---|---|---|
| -9 | Don't know (spontaneous) | 1 |
12.5%
|
| 500 | 2 |
25%
|
|
| 700 | 1 |
12.5%
|
|
| 950 | 1 |
12.5%
|
|
| 1000 | 1 |
12.5%
|
|
| 1250 | 1 |
12.5%
|
|
| 2000 | 1 |
12.5%
|
|
| Sysmiss | 106 |